How Many Kilocalories in a Kilojoule?
Quick Answer
There are approximately 0.239 kilocalories in one kilojoule.
1 kJ = 1/4.184 ≈ 0.239 kcal
Understanding the Conversion
One kilojoule (kJ) equals 0.23900 kilocalories (food calories). Australian and European food labels use kJ; US labels use kcal. To convert kJ to kcal, divide by 4.184 (or multiply by 0.239).
Formula
1 kJ = 1/4.184 ≈ 0.239 kcal
Common Examples
| Description | Value |
|---|---|
| An Australian label: 2,000 kJ | ≈478 kcal |
| A 400 kJ snack bar | ≈96 kcal |
| Daily intake (8,700 kJ, EU) | ≈2,080 kcal |
Quick Reference Table
Use this table for quick conversions between kilojoule and kilocalories:
| kilojoule | kilocalories |
|---|---|
| 1 | 0.239 |
| 2 | 0.478 |
| 5 | 1.195 |
| 10 | 2.390 |
| 25 | 5.975 |
| 50 | 11.95 |
| 100 | 23.9 |
Frequently Asked Questions
How Many Kilocalories in a Kilojoule?
There are approximately 0.239 kilocalories in one kilojoule. One kilojoule (kJ) equals 0.23900 kilocalories (food calories). Australian and European food labels use kJ; US labels use kcal. To convert kJ to kcal, divide by 4.184 (or multiply by 0.239).
What is the formula to convert kilojoule to kilocalories?
The formula is: 1 kJ = 1/4.184 ≈ 0.239 kcal. To convert, multiply the number of kilojoules by 0.239 to get the equivalent in kilocalories.
How do I convert kilocalories to kilojoule?
To convert kilocalories to kilojoule, divide the number of kilocalories by 0.239. For example, 1.195 kilocalories equals 5 kilojoules.